auto save

diy-test1.py

@@ -9,8 +9,8 @@ class Cat:
     def run(self):
         print("小猫飞快的跑起来")
 
-    def skill():
-        ??
+    def skill(self,prey):
+        print("小猫抓住了"+prey)
 
 role = Cat()
 role.skill("老鼠")
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